253122443 has 8 divisors (see below), whose sum is σ = 289386240. Its totient is φ = 216884520.

The previous prime is 253122437. The next prime is 253122451. The reversal of 253122443 is 344221352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253122443 - 2⁸ = 253122187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253122473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24218 + ... + 33056.

It is an arithmetic number, because the mean of its divisors is an integer number (36173280).

Almost surely, 2^253122443 is an apocalyptic number.

253122443 is a deficient number, since it is larger than the sum of its proper divisors (36263797).

253122443 is an equidigital number, since it uses as much as digits as its factorization.

253122443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12937.

The product of its digits is 5760, while the sum is 26.

The square root of 253122443 is about 15909.8222177371. The cubic root of 253122443 is about 632.5723689372.

Adding to 253122443 its reverse (344221352), we get a palindrome (597343795).

The spelling of 253122443 in words is "two hundred fifty-three million, one hundred twenty-two thousand, four hundred forty-three".